package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /*
     * 条件查询
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
     * 更新商品数量
     */
    @Update( "update sky_take_out.shopping_cart set number = #{number} where id = #{id}" )
    void updateNumberById(ShoppingCart shoppingCart);

    /*
     * 插入购物车数据
     */
    @Insert( "insert into sky_take_out.shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})" )
    void insert(ShoppingCart shoppingCart);


    /*
     * 根据用户id删除购物车数据
     */
    @Delete( "delete from sky_take_out.shopping_cart where user_id = #{userId}" )
    void deleteByUserId(Long currentId);

    /*
     * 删除购物车中一个商品
     */
    @Delete( "delete from sky_take_out.shopping_cart where id = #{id}" )
    void deleteById(Long id);

    /*
     * 批量插入购物车数据
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
